Can any suggest me good method of GC MS for the separation of Flavonoids?

I prepared the ethyl acetate, ethanol and butanol fraction from the ethanol extract of seed for isolation of Flavonoids. Amongst them ethanol fraction showing shinoda test positive for polar...

13 February 2021 8,263 3 View

Any specific reason, how sclerotium rolfsii can grow out of Petridish?

Is it related to nutrition or any other reason? Any other fungus have similar kind of growth pattern?

09 February 2021 4,357 4 View

How we can dissolve highly insoluble compounds in solvent such as DMSO, WATER, MeOH etc.?

We have tried all the aforementioned solvent with heating. So please share your thoughts how can we soluble my compounds.

14 May 2020 4,208 21 View

What is the difference between Power Transformer Fault Current And Sub Station Fault Level?

What is the reason of Transformer Fault Current is always lower then System fault level?

17 March 2020 2,854 3 View

What is the average weight of hypothalamus in Rat?

Hi all, please help me with this question. Thanks a lot in advance!

18 April 2019 4,305 3 View

What things should be taken care of, while performing immunohistochemistry of phospho proteins?

I am doing IHC for normal proteins, but there must be a different protocol to treat phospho proteins. Please, enlighten me with that. Thanks!

02 August 2017 7,414 2 View

How to use cell counting plugin in Image J?

I need to count nerve cells in the tissue stained with Cresyl violet. Please provide me guide to make us of Image J software for cell counting. I have cell counter plugin in Image, but I don't...

01 August 2017 9,887 2 View

Which material gives higher buckling load CFRP or Aluminium?

I am currently conducting research on the buckling of thin plates and simulating a range of materials in abaqus. It seems according to my results that Aluminium gives a higher buckling load...

26 July 2017 9,697 4 View

What boundary conditions do you recommend for a simply supported thin plate under compression?

I am using Abaqus to simulate, the initial boundary conditions which i have tried, is giving me a error of 32% with the theoretical solution. And this is for buckling analysis.

06 June 2017 6,663 3 View

What can be the ideal thickness of the tissue section for IHC?

Hi, I want to do immunohistochemistry of GFAP in brain tissue (coronal sections). And this the first time I am doing IHC of mouse brain tissue. Normally for histopathology we take 5 micron...

10 May 2017 9,796 11 View

Does the pressure(-600 mmHg) affects pH?

When I conducted the degassing experiment using decompression under anaerobic condition(and I used ferrous based chelating agent), the oxidized ferric were observerd. So, could you tell me the...

03 March 2021 4,892 5 View

Which database would give me this list of chemical components?

Dear colleagues: I would like to know if anyone knows of a database that gives me the parameters pH, K, K, Mg, P, C, N, Zn, Cu, Ni and Cd of common foods. I find a lot of information of proteins,...

26 February 2021 5,525 3 View

Why is NH4OH added in heavy metals limit test?

The limit test I'm referring to is USP method II. In this procedure you need to dropwise add 6N of NH4OH to the sample until it the pH is alkali. After that you need to dilute and add HOAc until...

23 February 2021 2,049 3 View

Is there an ideal incubation time of RGO-modified SPCE before subsequent use, i.e., electrochemical characterization or further modification?

I notice that upon washing and air-drying of my RGO/SPCE surface and characterizing again via DPV, the current response towards ferricyanide probe significantly decreases. My worry is that the...

22 February 2021 5,324 3 View

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22 February 2021 9,932 11 View

Can anyone help or comment on solubilising chlorobutanol in aqueous injections in minimum time possible?

Please suggest solubilisation of chlorobutanol in injections. Tried pH and high temperature. But the issue is of assay drop. If anyone can suggest any solution. Its a commonly used excipient for...

21 February 2021 7,397 1 View

What reaction will occur when adding hexamine into ammonium nitrate in an acidic medium?

Hello, I am investigating properties of water in oil emulsion explosives. And adding hexamine (hexamethylenetetramine) into one of the phases that are used to make the emulsion should increase the...

21 February 2021 8,680 1 View

What properties of water shall be analyzed and evaluated to test the effectiveness of activated carbon?

I would like to ask what other properties of water (pH and such) shall be analyzed and evaluated to test the effectiveness of activated carbon from filtering the contaminants present in the water?

20 February 2021 9,422 8 View

Phenol-pH graphic?

We want to use phenol pH graphic to measure the pH of mediums before and after inhibitor application to cells. We have phenol absorbence values at 460, 560 and 720 nm wavelength. When we measure...

20 February 2021 7,700 3 View

How to measure the pH of Peat Soil?

Peat possess organic content above 75% and is highly acidic in nature (i.e. pH < 4). Before commencing stabilization, it is mandatory to know about the pH level of peat. Therefore, your...

18 February 2021 9,424 7 View